package org.foreningsgatan.mercenaries.rendering;

import org.foreningsgatan.mercenaries.Configuration;

/**
 * Copyright (c) 2008 Joakim Back
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 * 
 * @author Joakim Back
 *
 */
public class RenderUtils {
	public static float toScreenCoord(double v, Orientation pOrientation,
			ScrollPosition pScrollPosition) {
		switch (pOrientation) {
		case HORIZONTAL:
			return (float) (v * Configuration.sTileWidth)
					- pScrollPosition.getX();
		case VERTICAL:
			return (float) (v * Configuration.sTileHeight)
					- pScrollPosition.getY();
		}

		return 0;
	}
	
	
	public static double toWorldCoord(double v, Orientation pOrientation, 
			ScrollPosition pScrollPosition) {
		switch (pOrientation) {
		case HORIZONTAL:
			return (v + pScrollPosition.getX()) 
			/ Configuration.sTileWidth;
		case VERTICAL:
			return (v + pScrollPosition.getY()) 
			/ Configuration.sTileHeight;
		}

		return 0;
	}
}
